transcription, транскрипция: [ ˈär-jə-wəs, -dyu̇-, -jü-əs ]
adjective
Etymology: Latin arduus high, steep, difficult; akin to Old Irish ard high
Date: 1538
1.
a. : hard to accomplish or achieve : difficult
years of arduous training
b. : marked by great labor or effort : strenuous
a life of arduous toil — A. C. Cole
2. : hard to climb : steep
an arduous path
Synonyms: see hard
• ar·du·ous·ly adverb
• ar·du·ous·ness noun